Outline of popup window get dragged instead of whole popup bing dragged in IE8

[Raju.kesarkar]

The issue is comming in IE8,

I have a smart clients popup window,
Whenever i try to drag a popup inside a parent window, it's outline gets dragged while the contents of popup remain at same place.
Am unable to get rid of the popup outline even after clicking.

I set the following properties for the window

isc.Window.create({
ID: "lookUpFormWindow",
title: getMessage('lblassetIdLookup'),
autoSize: false,
keepInParentRect:true,
left: 200, top: 50,width:650,height:160,
canDragResize:true,//showEdges:false,
showMinimizeButton:false,showHeaderIcon:false,//showHeaderBackground:false,
isModal:true,
autoDraw:false,
closeClick :function(){
this.hide();
this.resizeTo(650,155);
return false;
},
....